Subcritical water hydrolysis of durian seeds waste for bioethanol production

Purnomo, Adi, Yudiantoro, Yulius Andy Wibowo, Putro, Jindrayani Nyoo, Nugraha, Adi Tama, Irawaty, Wenny and Ismadji, Suryadi (2015) Subcritical water hydrolysis of durian seeds waste for bioethanol production. International Journal of Industrial Chemistry. pp. 1-9. ISSN 2228-5970

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Abstract

The feasibility of bioethanol production using durian seed waste was investigated in this study. The effect of hydrolysis parameters (temperature, time, pressure and solid to water ratio) on the yields of reducing sugars and bioethanol were also examined. Central composite design was used to determine the optimum conditions of both reducing sugars yields obtained from hydrolysis stage and ethanol from reducing sugars fermentation. The optimized values for subcritical water process of durian seeds to produce reducing sugars were achieved at temperature of 139.8oC; solid to water ratio of 1:30; pressure of 30 bar; and reaction time of 3.58 h with 32.37% yield of reducing sugars. The fermentation of 20 g/L reducing sugars for 72 h gave the highest ethanol concentration, i.e. 9.85 g/L

Item Type:	Article
Uncontrolled Keywords:	durian seed, bio-ethanol, subcritical water, hydrolysis
Subjects:	Engineering > Chemical Engineering
Divisions:	Faculty of Engineering > Chemical Engineering Study Program
Depositing User:	Wenny Irawaty
Date Deposited:	13 Jul 2016 07:47
Last Modified:	30 Mar 2021 07:02
URI:	https://repository.ukwms.ac.id/id/eprint/6037

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